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-rw-r--r--gcc/ChangeLog4
-rw-r--r--gcc/ggc-page.c5
2 files changed, 9 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 53dc3e1..c26bf6e 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,5 +1,9 @@
2014-05-17 Trevor Saunders <tsaunders@mozilla.com>
+ * ggc-page.c (ggc_handle_finalizers): Add comment.
+
+2014-05-17 Trevor Saunders <tsaunders@mozilla.com>
+
* ggc-common.c (ggc_internal_cleared_alloc): Adjust.
* ggc-none.c (ggc_internal_alloc): Assert if a finalizer is passed.
(ggc_internal_cleared_alloc): Likewise.
diff --git a/gcc/ggc-page.c b/gcc/ggc-page.c
index b3a1a2a..a8d8d0e 100644
--- a/gcc/ggc-page.c
+++ b/gcc/ggc-page.c
@@ -1859,6 +1859,11 @@ clear_marks (void)
}
}
+/* Check if any blocks with a registered finalizer have become unmarked. If so
+ run the finalizer and unregister it because the block is about to be freed.
+ Note that no garantee is made about what order finalizers will run in so
+ touching other objects in gc memory is extremely unwise. */
+
static void
ggc_handle_finalizers ()
{